286822260 has 72 divisors (see below), whose sum is σ = 872333280. Its totient is φ = 76283328.

The previous prime is 286822229. The next prime is 286822279. The reversal of 286822260 is 62228682.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73519 + ... + 77321.

It is an arithmetic number, because the mean of its divisors is an integer number (12115740).

Almost surely, 2^286822260 is an apocalyptic number.

286822260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 286822260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436166640).

286822260 is an abundant number, since it is smaller than the sum of its proper divisors (585511020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

286822260 is a wasteful number, since it uses less digits than its factorization.

286822260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4237 (or 4232 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 286822260 is about 16935.8277034221. The cubic root of 286822260 is about 659.4840319987.

The spelling of 286822260 in words is "two hundred eighty-six million, eight hundred twenty-two thousand, two hundred sixty".